220024002004 has 6 divisors (see below), whose sum is σ = 385042003514. Its totient is φ = 110012001000.

The previous prime is 220024001963. The next prime is 220024002019. The reversal of 220024002004 is 400200420022.

It can be written as a sum of positive squares in only one way, i.e., 185673086404 + 34350915600 = 430898^2 + 185340^2 .

It is a super-2 number, since 2×220024002004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27503000247 + ... + 27503000254.

Almost surely, 2^220024002004 is an apocalyptic number.

It is an amenable number.

220024002004 is a deficient number, since it is larger than the sum of its proper divisors (165018001510).

220024002004 is a wasteful number, since it uses less digits than its factorization.

220024002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55006000505 (or 55006000503 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 220024002004 its reverse (400200420022), we get a palindrome (620224422026).

The spelling of 220024002004 in words is "two hundred twenty billion, twenty-four million, two thousand, four".